CN210146774U

CN210146774U - Asynchronous forming progressive die

Info

Publication number: CN210146774U
Application number: CN201920923952.9U
Authority: CN
Inventors: 聂文忠; 周留阳
Original assignee: Shanghai Institute of Technology
Current assignee: Shanghai Institute of Technology
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-03-17
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses an asynchronous forming upgrades mould, the upper die base, the upper padding plate, the drift fixed plate, the backplate of unloading, the stripper, mould benevolence fixed plate, the lower bolster, the die holder sets gradually, the die is inserted and is located in the mould benevolence fixed plate, the terrace die is inserted and is fixed in drift fixed plate string platform groove through hanging the platform, it is big than hanging platform thickness to hang platform groove depth degree, two at least terrace dies insert down the terminal surface level difference, it is equipped with first gasket to hang under the platform between terminal surface and the string platform tank bottom surface, it is equipped with the second gasket to hang between platform up end and the upper padding plate lower extreme surface, first gasket thickness equals to hang platform groove depth degree and hang the difference of platform thickness with second gasket thickness sum. The progressive die can adjust the horizontal height of the lower end face of the male die insert at any time, is very convenient and practical, and is beneficial to improving the production efficiency and reducing the cost.

Description

Asynchronous forming progressive die

Technical Field

The utility model belongs to the stamping die field especially relates to a mould upgrades in asynchronous shaping.

Background

The stamping die is a special process equipment for processing materials into parts in cold stamping processing, and is called as a cold stamping die. Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material to cause separation or plastic deformation thereof, thereby obtaining a desired part.

In order to prevent the connection between holes with short distance from being torn off when materials are punched and prevent the influence on the working stability and the service life caused by the instant increase of the load of a die and a press machine in the punching process, the punch inserts with the lower end surfaces with different horizontal heights are generally adopted.

In the prior art, the punch inserts with different heights of the lower end surface are usually realized by manufacturing the punch inserts with different thicknesses, the horizontal height of the punch inserts cannot be adjusted for the second time, and the punch inserts with the required height can only be manufactured for the second time.

Disclosure of Invention

In order to solve the above problem, the to-be-solved technical problem of the utility model is to provide a can conveniently adjust terrace die insert down the unsynchronized shaping of terminal surface level and upgrade the mould, this level can be adjusted at any time to the mould that should upgrade, and is very convenient and practical, does benefit to improvement production efficiency and reduce cost.

The technical scheme of the utility model is that:

an asynchronous forming progressive die comprises an upper die base, a lower die base, an upper base plate, a punch fixing plate and a plurality of male die inserts, wherein the upper base plate is arranged on the upper die base, the punch fixing plate is arranged on the upper base plate, a discharging back plate is arranged below the punch fixing plate, a discharging plate is arranged on the discharging back plate, a lower base plate is arranged on the lower die base, a die core fixing plate is arranged on the lower base plate, the die inserts are arranged in the die core fixing plate, the male die inserts correspond to the male die inserts, each male die insert is provided with a hanging table, the punch fixing plate is provided with a hanging table groove, the hanging tables are arranged in the hanging table grooves, the depth of the hanging table grooves is larger than the thickness of the hanging tables, the horizontal heights of the lower end surfaces of at least two male die inserts are different, a first gasket is arranged between the lower end surface of the hanging table and the bottom surface of the hanging, the sum of the thickness of the first gasket and the thickness of the second gasket is equal to the difference between the depth of the hanging table groove and the thickness of the hanging table. The adoption sets up closely matched's first gasket and second gasket under the terminal surface of hanging a platform and hanging a platform tank bottom surface and hanging a platform up end and terminal surface under the upper padding plate for the level of terminal surface under the terrace die insert can be adjusted as long as the thickness of adjusting first gasket, very convenient and practical.

According to an embodiment of the present invention, the hanging table groove depth is 3-10mm greater than the hanging table thickness. The depth of the hanging table groove is larger than the thickness of the hanging table so that gaskets can be arranged between the lower end face of the hanging table and the bottom face of the hanging table groove and between the upper end face of the hanging table and the lower end face of the upper base plate.

According to the utility model discloses an embodiment, terrace die insert quantity is 6, when not making stamping motion, terrace die insert down the terminal surface with the distance of terminal surface is 2mm, 1mm, 0mm, 1mm, 2mm in proper order under the stripper. This is the preferred number and distance value.

According to the utility model discloses an embodiment, when the punch insert was in the biggest stroke of stamping motion, the thickness of die insert was greater than punch insert lower extreme face with distance between the die insert up end. The arrangement is adopted to prevent the punch insert from stamping the lower backing plate during the stamping movement so as to damage the punch insert and the machine.

According to the utility model discloses an embodiment, mould benevolence fixed plate thickness with die insert thickness is unanimous. The structure is convenient to process, convenient for feeding and processing materials and capable of improving the yield.

According to the utility model discloses an embodiment, terrace die insert, die insert and mould benevolence fixed plate are made by the die steel. The use of die steel makes it more durable.

The utility model discloses owing to adopt above technical scheme, make it compare with prior art and have following advantage and positive effect:

(1) the adoption sets up closely matched's first gasket and second gasket under string platform terminal surface and string platform tank bottom surface and string platform up end and upper padding plate between the terminal surface for as long as the level of terminal surface under the terrace die insert can be adjusted to the thickness of adjusting first gasket, can adjust the height at any time, and is very convenient and practical, does benefit to and improves production efficiency and reduce cost.

(2) When the punch press does not perform punching movement, the thickness of the die insert is larger than the distance between the lower end surface of the punch insert and the upper end surface of the die insert, so that the punch insert is prevented from being damaged to the punch insert and a machine due to the fact that the punch insert punches the lower backing plate during punching movement, the service lives of the punch insert and the machine are prolonged, and the maintenance cost is reduced.

(3) The male die insert, the female die insert and the die core fixing plate are all made of die steel, so that the equipment is more solid and durable, is not easy to wear, and improves the production efficiency.

Drawings

The following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings, in which:

FIG. 1 is a partial cross-sectional view of the progressive die of the present invention during the maximum stroke of the stamping movement;

FIG. 2 is a partial cross-sectional view of the progressive die of the present invention shown without a stamping motion;

fig. 3 is the overall cross-sectional view of the progressive die of the present invention when it is not performing a punching motion.

Description of reference numerals:

1: an upper die holder; 2: an upper base plate; 3: a punch fixing plate; 4: a discharge back plate; 5: a stripper plate; 6: material preparation; 7: a die core fixing plate; 8: a lower base plate; 9: a lower die holder; 10: a male die insert; 11: a female die insert; 12: a first gasket; 13: a second gasket; 14: hanging a table; 15: and (4) hanging a table groove.

Detailed Description

The following describes a non-synchronous forming progressive die according to the present invention in detail with reference to the accompanying drawings and specific embodiments. The advantages and features of the present invention will become more fully apparent from the following description and appended claims. It is to be noted that the drawings are in a very simplified form and are not to be construed as precise ratios as are merely intended to facilitate and distinctly illustrate the embodiments of the present invention.

Example 1

Referring to fig. 1 to 3, an asynchronous forming progressive die comprises an upper die base 1, a lower die base 9, an upper backing plate 2 arranged on the upper die base 1, a punch fixing plate 3 arranged on the upper backing plate 2, a discharging back plate 4 arranged below the punch fixing plate 3, a discharging plate 5 arranged on the discharging back plate 4, a lower backing plate 8 arranged on the lower die base 9, a die core fixing plate 7 arranged on the lower backing plate 8, a die insert 11 arranged in the die core fixing plate 7, and a plurality of male die inserts 10, wherein the plurality of male die inserts are 2 or more than 2, and the die core fixing plate 7, the die insert 11 and the male die inserts 10 are all made of die steel, so that the die is more solid and durable, is not easy to wear, and improves the production efficiency. The female die inserts 11 correspond to the male die inserts 10, the female die inserts 11 correspond to the male die inserts 10 in number, are corresponding in position and are also consistent in cross-sectional profile, and can be matched with each other during stamping movement, each male die insert 10 is provided with a hanging table, the corresponding punch fixing plate 3 is provided with a hanging table groove 15, the hanging table 14 is arranged in the hanging table groove 15, and the male die inserts 10 are fixed in the punch fixing plate 3 through the hanging table 14, and can be fixed by other conventional technical means such as screws.

The horizontal heights of the lower end surfaces of at least two of the male die inserts 10 are different, the depth of the hanging platform groove 15 is larger than the thickness of the hanging platform 14, that is, a gap is arranged between the hanging platform 14 and the hanging platform groove 15, in order to conveniently adjust the horizontal height of the lower end surface of the male die insert 10, a first gasket 12 is arranged between the lower end surface of the hanging platform 14 and the bottom surface of the hanging platform groove 15, a second gasket 13 is arranged between the upper end surface of the hanging platform 14 and the lower end surface of the upper backing plate 2, the sum of the thickness of the first gasket 12 and the thickness of the second gasket 13 is equal to the difference between the depth of the hanging platform groove 15 and the thickness of the hanging platform 14, the first gasket 12 and the second gasket 13 can be formed by one piece or formed by stacking a plurality of gaskets, the first gasket 12 is arranged to adjust the horizontal height of the lower end surface of the male die insert 10, the height of the first gasket 12 is increased, and, by reducing the height of the first shim 12, the level of the punch insert 10 is correspondingly reduced. The second gasket 13 is arranged to fix the punch insert 10, so that the punch insert 10 is tightly matched with the upper backing plate 2 and the hanging table groove 15, unnecessary displacement of the punch insert 10 during stamping is prevented, the yield can be increased, and the production benefit is improved. The first gasket 12 and the second gasket 13 which are tightly matched are arranged between the lower end face of the hanging table 14 and the bottom face of the hanging table groove 15 and between the upper end face of the hanging table 14 and the lower end face of the upper base plate 2, so that the horizontal height of the lower end face of the male die insert 10 can be adjusted by adjusting the thickness of the first gasket 12, the male die insert is very convenient and practical, and the production efficiency and the cost are improved.

Further, the depth of the hanging platform groove 15 is 3-10mm larger than the thickness of the hanging platform 14. This value is a preferred value, and is more commonly used in practical applications, and may be other values, which are determined according to practical applications.

Further, the number of the punch inserts 10 is 6, and when the punch inserts do not perform punching movement, the distances between the lower end surface of the punch inserts 10 and the lower end surface of the stripper plate 5 are sequentially 2mm, 1mm, 0mm, 1mm and 2 mm. The preferred number and distance value are the ones that are more practical for practical use, and other numbers and distance values may be used, which are determined according to practical use.

Further, when the punch insert 10 is in the maximum stroke of the punching movement, the thickness of the die insert 11 is greater than the distance between the lower end surface of the punch insert 10 and the upper end surface of the die insert 11. The arrangement is adopted to prevent the punch insert 10 from being punched to the lower backing plate 8 during punching movement so as to damage the punch insert 10 and a machine, so that the production efficiency can be improved, and unnecessary production cost can be reduced.

Further, the thickness of the die core fixing plate 7 is consistent with that of the die insert 11. The structure is convenient to process, convenient for feeding and processing materials and capable of improving the yield.

Further, the male die insert 10, the female die insert 11 and the die core fixing plate 7 are all made of die steel. The use of die steel makes it more durable.

During specific operation, the male die insert 10 and the female die insert 11 are designed and manufactured according to the shape of a formed product, then the height of the first gasket 12 is adjusted according to the process force of different forming areas during stamping to achieve the purpose of adjusting the horizontal height of the lower end face of the male die insert 10, the horizontal height of the lower end face of the male die insert 10 used in the forming area with small process force is higher, and the horizontal height of the lower end face of the male die insert 10 used in the forming area with large process force is lower. The material 6 is fed from one end of the machine and is flatly laid on the die insert 11 and the die core fixing plate 7, the upper die base 1 drives the male die insert 10 to move downwards to contact the material 6 and to be matched with the die insert 11, so that the material 6 is plastically deformed or separated, and finally the upper die base 1 drives the male die insert 10 to move upwards to complete one-time stamping, so that a corresponding product is obtained.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments. Even if various changes are made to the present invention, the changes are still within the scope of the present invention if they fall within the scope of the claims and their equivalents.

Claims

1. The nonsynchronous forming progressive die is characterized by comprising an upper die base, a lower die base, an upper base plate arranged on the upper die base, a punch fixing plate arranged on the upper base plate, a discharging back plate arranged below the punch fixing plate, a discharging plate arranged on the discharging back plate, a lower base plate arranged on the lower die base, a die core fixing plate arranged on the lower base plate, die inserts arranged in the die core fixing plate, and a plurality of punch inserts, wherein the die inserts correspond to the punch inserts, each punch insert is provided with a hanging platform, the punch fixing plate is provided with a hanging platform groove, the hanging platforms are arranged in the hanging platform grooves, the depth of the hanging platform grooves is larger than the thickness of the hanging platforms, the horizontal heights of the lower end surfaces of at least two punch inserts are different, a first gasket is arranged between the lower end surface of the hanging platform and the bottom surface of the hanging platform, and a second gasket is arranged between the upper end surface of the hanging platform and the lower end, the sum of the thickness of the first gasket and the thickness of the second gasket is equal to the difference between the depth of the hanging table groove and the thickness of the hanging table.

2. The progressive die for non-synchronous forming according to claim 1 wherein said staging slot depth is 3-10mm greater than said staging thickness.

3. The progressive die for non-synchronous forming according to claim 1, wherein the number of the punch inserts is 6, and the distances between the lower end surface of the punch insert and the lower end surface of the stripper plate are 2mm, 1mm, 0mm, 1mm and 2mm in sequence when no punching motion is performed.

4. The progressive die for non-synchronous forming according to claim 1, wherein the thickness of the die insert is greater than the distance between the lower end surface of the punch insert and the upper end surface of the die insert at the maximum stroke of the punching motion.

5. The progressive die for non-synchronous forming according to claim 1, wherein the die core fixing plate has a thickness corresponding to the die insert.

6. The progressive die for asynchronous forming of any one of claims 1 to 5, wherein the punch insert, the die insert and the die core retainer are all made of die steel.